OpenStack Caracal : Create Instances2024/04/05 |
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Create and Start Virtual Machine Instances.
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| [1] | Login as a user that you set environment variables for Openstack and then create and start virtual machine instance. |
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# confirm available [flavor] list ubuntu@dlp ~(keystone)$ openstack flavor list +----+----------+------+------+-----------+-------+-----------+ | ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public | +----+----------+------+------+-----------+-------+-----------+ | 1 | m1.tiny | 2048 | 10 | 0 | 1 | True | | 2 | m1.small | 4096 | 10 | 0 | 2 | True | | 4 | m1.large | 8192 | 10 | 10 | 4 | True | +----+----------+------+------+-----------+-------+-----------+ # confirm available image list ubuntu@dlp ~(keystone)$ openstack image list +--------------------------------------+------------+--------+ | ID | Name | Status | +--------------------------------------+------------+--------+ | a4442fac-b3e8-4400-a9c4-8f15daff64cb | Ubuntu2204 | active | +--------------------------------------+------------+--------+ # confirm available network list ubuntu@dlp ~(keystone)$ openstack network list +--------------------------------+------------+--------------------------------+ | ID | Name | Subnets | +--------------------------------+------------+--------------------------------+ | 1fdae2b1-50f1-40ae-b362- | sharednet1 | 798fa9eb-e997-45b3-9701- | | 41a42a79933c | | 3e13d12b301a | +--------------------------------+------------+--------------------------------+ # create a security group for instances ubuntu@dlp ~(keystone)$ openstack security group create secgroup01 +-----------------+------------------------------------------------------------+ | Field | Value | +-----------------+------------------------------------------------------------+ | created_at | 2024-04-05T04:28:32Z | | description | secgroup01 | | id | 455943eb-887d-4758-acff-94af23beecd0 | | name | secgroup01 | | project_id | d45d0cefc6724cfe95103e729e265015 | | revision_number | 1 | | rules | created_at='2024-04-05T04:28:32Z', direction='egress', | | | ethertype='IPv4', | | | id='19927569-32a0-4e78-9f7e-9c24e8d7eef5', | | | standard_attr_id='20', updated_at='2024-04-05T04:28:32Z' | | | created_at='2024-04-05T04:28:32Z', direction='egress', | | | ethertype='IPv6', | | | id='9eaf071b-d62d-493e-a2fb-397d5aee71a0', | | | standard_attr_id='21', updated_at='2024-04-05T04:28:32Z' | | shared | False | | stateful | True | | tags | [] | | updated_at | 2024-04-05T04:28:32Z | +-----------------+------------------------------------------------------------+ubuntu@dlp ~(keystone)$ openstack security group list +------------------+------------+------------------+--------------------+------+ | ID | Name | Description | Project | Tags | +------------------+------------+------------------+--------------------+------+ | 34d3e928-a7d2- | default | Default security | d45d0cefc6724cfe95 | [] | | 4533-b46b- | | group | 103e729e265015 | | | c8571faac3e3 | | | | | | 455943eb-887d- | secgroup01 | secgroup01 | d45d0cefc6724cfe95 | [] | | 4758-acff- | | | 103e729e265015 | | | 94af23beecd0 | | | | | +------------------+------------+------------------+--------------------+------+ # create an SSH keypair for connecting to instances ubuntu@dlp ~(keystone)$ ssh-keygen -q -N "" Enter file in which to save the key (/home/ubuntu/.ssh/id_rsa): # add public-key ubuntu@dlp ~(keystone)$ openstack keypair create --public-key ~/.ssh/id_rsa.pub mykey +-------------+-------------------------------------------------+ | Field | Value | +-------------+-------------------------------------------------+ | created_at | None | | fingerprint | 06:20:72:5f:0d:3d:03:60:af:32:6b:05:4e:63:c4:23 | | id | mykey | | is_deleted | None | | name | mykey | | type | ssh | | user_id | f7a19fba25e84e63bf885722de49c269 | +-------------+-------------------------------------------------+ubuntu@dlp ~(keystone)$ openstack keypair list +-------+-------------------------------------------------+------+ | Name | Fingerprint | Type | +-------+-------------------------------------------------+------+ | mykey | 06:20:72:5f:0d:3d:03:60:af:32:6b:05:4e:63:c4:23 | ssh | +-------+-------------------------------------------------+------+
ubuntu@dlp ~(keystone)$
netID=$(openstack network list | grep sharednet1 | awk '{ print $2 }') # create and start instance ubuntu@dlp ~(keystone)$ openstack server create --flavor m1.small --image Ubuntu2204 --security-group secgroup01 --nic net-id=$netID --key-name mykey Ubuntu-2204
+-----------------------------+------------------------------------------------+ | Field | Value | +-----------------------------+------------------------------------------------+ | OS-DCF:diskConfig | MANUAL | | OS-EXT-AZ:availability_zone | | | OS-EXT-STS:power_state | NOSTATE | | OS-EXT-STS:task_state | scheduling | | OS-EXT-STS:vm_state | building | | OS-SRV-USG:launched_at | None | | OS-SRV-USG:terminated_at | None | | accessIPv4 | | | accessIPv6 | | | addresses | | | adminPass | QEEfWm4pLcVH | | config_drive | | | created | 2024-04-05T04:31:00Z | | flavor | m1.small (2) | | hostId | | | id | 4fdf7c7f-b8ef-4c46-a1c4-f5a0741a2472 | | image | Ubuntu2204 | | | (a4442fac-b3e8-4400-a9c4-8f15daff64cb) | | key_name | mykey | | name | Ubuntu-2204 | | progress | 0 | | project_id | d45d0cefc6724cfe95103e729e265015 | | properties | | | security_groups | name='455943eb-887d-4758-acff-94af23beecd0' | | status | BUILD | | updated | 2024-04-05T04:31:00Z | | user_id | f7a19fba25e84e63bf885722de49c269 | | volumes_attached | | +-----------------------------+------------------------------------------------+ # show status ([BUILD] status is shown when building instance) ubuntu@dlp ~(keystone)$ openstack server list +--------------+-------------+--------+-----------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------+-------------+--------+-----------+------------+----------+ | 4fdf7c7f- | Ubuntu-2204 | BUILD | | Ubuntu2204 | m1.small | | b8ef-4c46- | | | | | | | a1c4- | | | | | | | f5a0741a2472 | | | | | | +--------------+-------------+--------+-----------+------------+----------+ # when starting normally, the status turns to [ACTIVE] ubuntu@dlp ~(keystone)$ openstack server list +--------------+-------------+--------+---------------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------+-------------+--------+---------------+------------+----------+ | 4fdf7c7f- | Ubuntu-2204 | ACTIVE | sharednet1=10 | Ubuntu2204 | m1.small | | b8ef-4c46- | | | .0.0.216 | | | | a1c4- | | | | | | | f5a0741a2472 | | | | | | +--------------+-------------+--------+---------------+------------+----------+ |
| [2] | Configure security settings for the security group you created above to access with SSH and ICMP. |
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# permit ICMP ubuntu@dlp ~(keystone)$ openstack security group rule create --protocol icmp --ingress secgroup01 +-------------------------+--------------------------------------+ | Field | Value | +-------------------------+--------------------------------------+ | belongs_to_default_sg | False | | created_at | 2024-04-05T04:33:08Z | | description | | | direction | ingress | | ether_type | IPv4 | | id | 25cc922c-1b26-4b89-b8bc-10619a108936 | | name | None | | normalized_cidr | 0.0.0.0/0 | | port_range_max | None | | port_range_min | None | | project_id | d45d0cefc6724cfe95103e729e265015 | | protocol | icmp | | remote_address_group_id | None | | remote_group_id | None | | remote_ip_prefix | 0.0.0.0/0 | | revision_number | 0 | | security_group_id | 455943eb-887d-4758-acff-94af23beecd0 | | tags | [] | | updated_at | 2024-04-05T04:33:08Z | +-------------------------+--------------------------------------+ # permit SSH ubuntu@dlp ~(keystone)$ openstack security group rule create --protocol tcp --dst-port 22:22 secgroup01 +-------------------------+--------------------------------------+ | Field | Value | +-------------------------+--------------------------------------+ | belongs_to_default_sg | False | | created_at | 2024-04-05T04:33:50Z | | description | | | direction | ingress | | ether_type | IPv4 | | id | f19c96a6-fd4a-45b0-af27-ca68211956fd | | name | None | | normalized_cidr | 0.0.0.0/0 | | port_range_max | 22 | | port_range_min | 22 | | project_id | d45d0cefc6724cfe95103e729e265015 | | protocol | tcp | | remote_address_group_id | None | | remote_group_id | None | | remote_ip_prefix | 0.0.0.0/0 | | revision_number | 0 | | security_group_id | 455943eb-887d-4758-acff-94af23beecd0 | | tags | [] | | updated_at | 2024-04-05T04:33:50Z | +-------------------------+--------------------------------------+ubuntu@dlp ~(keystone)$ openstack security group rule list secgroup01 +----------+-------------+-----------+----------+------------+-----------+-----------------------+----------------------+ | ID | IP Protocol | Ethertype | IP Range | Port Range | Direction | Remote Security Group | Remote Address Group | +----------+-------------+-----------+----------+------------+-----------+-----------------------+----------------------+ | 19927569 | None | IPv4 | 0.0.0.0/ | | egress | None | None | | -32a0- | | | 0 | | | | | | 4e78- | | | | | | | | | 9f7e- | | | | | | | | | 9c24e8d7 | | | | | | | | | eef5 | | | | | | | | | 25cc922c | icmp | IPv4 | 0.0.0.0/ | | ingress | None | None | | -1b26- | | | 0 | | | | | | 4b89- | | | | | | | | | b8bc- | | | | | | | | | 10619a10 | | | | | | | | | 8936 | | | | | | | | | 9eaf071b | None | IPv6 | ::/0 | | egress | None | None | | -d62d- | | | | | | | | | 493e- | | | | | | | | | a2fb- | | | | | | | | | 397d5aee | | | | | | | | | 71a0 | | | | | | | | | f19c96a6 | tcp | IPv4 | 0.0.0.0/ | 22:22 | ingress | None | None | | -fd4a- | | | 0 | | | | | | 45b0- | | | | | | | | | af27- | | | | | | | | | ca682119 | | | | | | | | | 56fd | | | | | | | | +----------+-------------+-----------+----------+------------+-----------+-----------------------+----------------------+ |
| [3] | Login to the instance with SSH. |
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ubuntu@dlp ~(keystone)$ openstack server list +--------------+-------------+--------+---------------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------+-------------+--------+---------------+------------+----------+ | 4fdf7c7f- | Ubuntu-2204 | ACTIVE | sharednet1=10 | Ubuntu2204 | m1.small | | b8ef-4c46- | | | .0.0.216 | | | | a1c4- | | | | | | | f5a0741a2472 | | | | | | +--------------+-------------+--------+---------------+------------+----------+ubuntu@dlp ~(keystone)$ ping 10.0.0.216 -c3 PING 10.0.0.216 (10.0.0.216) 56(84) bytes of data. 64 bytes from 10.0.0.216: icmp_seq=1 ttl=64 time=1.18 ms 64 bytes from 10.0.0.216: icmp_seq=2 ttl=64 time=0.465 ms 64 bytes from 10.0.0.216: icmp_seq=3 ttl=64 time=0.303 ms --- 10.0.0.216 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2004ms rtt min/avg/max/mdev = 0.303/0.650/1.184/0.382 msubuntu@dlp ~(keystone)$ ssh ubuntu@10.0.0.216
The authenticity of host '10.0.0.216 (10.0.0.216)' can't be established. ED25519 key fingerprint is SHA256:KEOz7HbWfEDM/DXDvXB4l0fyl/GRYcoeYojs7M3gPBI. This key is not known by any other names Are you sure you want to continue connecting (yes/no/[fingerprint])? yes Warning: Permanently added '10.0.0.216' (ED25519) to the list of known hosts. Welcome to Ubuntu 22.04.4 LTS (GNU/Linux 5.15.0-101-generic x86_64) ..... ..... To run a command as administrator (user "root"), use "sudo <command>". See "man sudo_root" for details. ubuntu@ubuntu-2204:~$ # logined |
| [4] | If you'd like to stop an instance, it's possible to control with openstack command like follows. |
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ubuntu@dlp ~(keystone)$ openstack server list +--------------+-------------+--------+---------------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------+-------------+--------+---------------+------------+----------+ | 4fdf7c7f- | Ubuntu-2204 | ACTIVE | sharednet1=10 | Ubuntu2204 | m1.small | | b8ef-4c46- | | | .0.0.216 | | | | a1c4- | | | | | | | f5a0741a2472 | | | | | | +--------------+-------------+--------+---------------+------------+----------+ # stop instance ubuntu@dlp ~(keystone)$ openstack server stop Ubuntu-2004 ubuntu@dlp ~(keystone)$ openstack server list +--------------+-------------+---------+---------------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------+-------------+---------+---------------+------------+----------+ | 4fdf7c7f- | Ubuntu-2204 | SHUTOFF | sharednet1=10 | Ubuntu2204 | m1.small | | b8ef-4c46- | | | .0.0.216 | | | | a1c4- | | | | | | | f5a0741a2472 | | | | | | +--------------+-------------+---------+---------------+------------+----------+ # start instance ubuntu@dlp ~(keystone)$ openstack server start Ubuntu-2004 ubuntu@dlp ~(keystone)$ openstack server list +--------------+-------------+--------+---------------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------+-------------+--------+---------------+------------+----------+ | 4fdf7c7f- | Ubuntu-2204 | ACTIVE | sharednet1=10 | Ubuntu2204 | m1.small | | b8ef-4c46- | | | .0.0.216 | | | | a1c4- | | | | | | | f5a0741a2472 | | | | | | +--------------+-------------+--------+---------------+------------+----------+ |
| [5] | It's possible to access with Web browser to get VNC console. |
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ubuntu@dlp ~(keystone)$ openstack server list +--------------+-------------+--------+---------------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------+-------------+--------+---------------+------------+----------+ | 4fdf7c7f- | Ubuntu-2204 | ACTIVE | sharednet1=10 | Ubuntu2204 | m1.small | | b8ef-4c46- | | | .0.0.216 | | | | a1c4- | | | | | | | f5a0741a2472 | | | | | | +--------------+-------------+--------+---------------+------------+----------+ubuntu@dlp ~(keystone)$ openstack console url show Ubuntu-2204 +----------+-------------------------------------------------------------------+ | Field | Value | +----------+-------------------------------------------------------------------+ | protocol | vnc | | type | novnc | | url | https://dlp.srv.world:6080/vnc_auto.html?path=%3Ftoken%3D2b331fc4 | | | -453e-47d6-8187-8ce246a7a1ca | +----------+-------------------------------------------------------------------+ |
| [6] | Access to the URL which was displayed by the command above. |
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